Home / 357,306,742.80-493,086,772.68-206,588,082.30

Finding the Fourth Proportional to 357,306,742.80, 493,086,772.68 and 206,588,082.30

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Solution

The fourth proportional to 357,306,742.80, 493,086,772.68 and 206,588,082.30 is: 285,093,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,306,742.80 : 493,086,772.68 = 206,588,082.30 : x
  2. Step 2: Convert to fraction form
    357,306,742.80/493,086,772.68 = 206,588,082.30/x
  3. Step 3: Cross multiply
    357,306,742.80x = 493,086,772.68 × 206,588,082.30
  4. Step 4: Simplify right side
    357,306,742.80x = 101,865,850,775,457,232
  5. Step 5: Solve for x
    x = 101,865,850,775,457,232/357,306,742.80
  6. Step 6: Final answer
    x = 285,093,558.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.